CN211178808U - Transmission output end starting torque measuring device - Google Patents
Transmission output end starting torque measuring device Download PDFInfo
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- CN211178808U CN211178808U CN201922410593.XU CN201922410593U CN211178808U CN 211178808 U CN211178808 U CN 211178808U CN 201922410593 U CN201922410593 U CN 201922410593U CN 211178808 U CN211178808 U CN 211178808U
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- measuring device
- starting torque
- transmission output
- torque measuring
- loading rod
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Abstract
The utility model relates to the technical field of torque measurement, and discloses a transmission output end starting torque measuring device, which comprises a digital display torque wrench and a loading rod, wherein one end of the loading rod is connected with the digital display torque wrench, the other end of the loading rod is provided with a first U-shaped groove, and a straight shaft of a transmission penetrates through the first U-shaped groove along the length direction of the first U-shaped groove; and the clamping piece is detachably connected to the loading rod and can enable the straight shaft to be clamped between two opposite side walls of the first U-shaped groove. The utility model provides a derailleur output starting moment measuring device can be applicable to most of derailleurs that adopt a word axle, and simple structure has simplified measurement process, has improved the commonality.
Description
Technical Field
The utility model relates to a moment measurement technical field especially relates to a derailleur output starts moment measuring device.
Background
The starting torque (referred to as "starting torque") of the transmission, motor reducer, etc. is the minimum torque that needs to be applied to rotate the transmission from rest. The torque is a component of the torque that the vehicle starter motor must overcome when starting the vehicle and consumes the power of the engine while the vehicle is in motion.
With increasing performance requirements of all aspects of the motor vehicle, this torque is increasingly being included in the monitoring or control range in the production of transmissions. However, the existing measuring method has the defects of high precision requirement of measuring equipment, high equipment cost, high requirements on the equipment use environment and daily maintenance, complex measuring operation process, poor universality and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a derailleur output starting moment measuring device can simplify derailleur output turning moment's measurement process, improves the measuring commonality.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a derailleur output starting torque measuring device, includes digital display moment spanner, still includes:
one end of the loading rod is connected with the digital display torque wrench, the other end of the loading rod is provided with a first U-shaped groove, and a straight shaft of the transmission penetrates through the first U-shaped groove along the length direction of the first U-shaped groove;
and the clamping piece is detachably connected to the loading rod and can enable the straight shaft to be clamped between two opposite side walls of the first U-shaped groove.
As a preferable technical scheme of the above transmission output end starting torque measuring device, the device further comprises positioning pieces in one-to-one correspondence with the clamping pieces, and the positioning pieces are sleeved outside the loading rod and can axially move along the loading rod;
the outer peripheral wall of the positioning piece is provided with a conical surface, one end of the clamping piece is abutted to the positioning piece, so that the small-diameter end of the positioning piece can be inserted into the straight shaft hole of the transmission, and the conical surface is abutted to the inner wall of the straight shaft hole.
As a preferable technical scheme of the starting torque measuring device for the output end of the transmission, one end of the clamping piece is provided with a centering matching part with a conical outer peripheral wall, and one end of the positioning piece is provided with at least two elastic clamping claws which are distributed along the circumferential direction of the positioning piece and can surround a centering hole;
one end of the centering matching part is inserted into the centering hole and can enable the elastic clamping jaw to elastically deform along the radial direction, so that the elastic clamping jaw is abutted against the inner wall of the straight shaft hole.
As a preferable mode of the above transmission output side starting torque measuring device, an inner wall of the free end portion of the elastic claw is provided with a deformation groove.
As a preferable technical scheme of the starting torque measuring device for the output end of the transmission, the elastic clamping jaws are provided with lightening holes.
As a preferable technical solution of the above transmission output end starting torque measuring device, the clamping member is sleeved outside the loading rod and is in threaded connection with the loading rod.
As a preferable mode of the above transmission output side starting torque measuring device, the number of the clamping members is two, and the inline shaft is located between the two clamping members.
As a preferable technical solution of the above transmission output end starting torque measuring device, one end of the clamping member, which is far away from the positioning member, is provided with a screwing portion.
As a preferable technical scheme of the starting torque measuring device for the output end of the transmission, the digital display torque measuring device further comprises a connecting piece, one end of the connecting piece is connected with the digital display torque wrench, and the other end of the connecting piece is connected with the loading rod.
As a preferable technical scheme of the transmission output end starting torque measuring device, the connecting piece is inserted into an insertion hole in the digital display torque wrench.
The utility model has the advantages that: when the output end starting torque measuring device of the transmission provided by the utility model is used for measuring the output end starting torque of the transmission, the transmission is hung in a tested gear; the display of the digital display torque wrench is reset to zero; operating the loading rod to enable the straight shaft of the transmission to penetrate through the first U-shaped groove, and then fixing the straight shaft relative to the loading rod through the clamping piece; the digital display torque wrench slowly applies force, and the displayed torque value when the digital display torque wrench starts to rotate is the starting torque of the output end of the speed changer.
The utility model provides a derailleur output starting moment measuring device can be applicable to most of derailleurs that adopt a word axle, and simple structure has simplified measurement process, has improved the commonality.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a transmission output end starting torque measuring device provided by the embodiment of the invention;
fig. 2 is a front view of a transmission output start torque measuring device according to an embodiment of the present invention;
fig. 3 is a side view of a transmission output start torque measuring device (without a digital torque wrench) according to an embodiment of the present invention;
fig. 4 is a schematic view of a partial structure of a transmission output end starting torque measuring device provided by the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a clamping member provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a positioning element provided in an embodiment of the present invention;
fig. 7 is an assembly view of the transmission output starting torque measuring device and the transmission provided by the embodiment of the present invention.
In the figure:
1. a digital display torque wrench; 2. a loading rod; 21. a first U-shaped slot; 3. a clamping member; 31. a screwing part; 32. a centering matching part; 4. a positioning member; 41. an elastic claw; 42. a deformation groove; 43. lightening holes; 44. a second U-shaped slot; 5. a connecting member;
100. starting a torque measuring device at the output end of the speed changer; 200. a transmission; 201. a straight axis.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
As shown in fig. 1 to 4, the present embodiment provides a transmission output end starting torque measuring device 100, which includes a digital display torque wrench 1, a loading rod 2 and a clamping member 3, wherein one end of the loading rod 2 is connected to the digital display torque wrench 1, the other end is provided with a first U-shaped groove 21, and a straight shaft 201 of the transmission penetrates through the first U-shaped groove 21 along the length direction of the first U-shaped groove 21; the clamping member 3 is detachably attached to the loading lever 2 and enables the inline shaft 201 to be fixed with respect to the loading lever 2. In this embodiment, two clamping members 3 are provided, and the in-line shaft 201 is located between the two clamping members 3, so that the in-line shaft 201 is clamped between the opposite side walls of the first U-shaped groove 21.
The process of measuring the starting torque of the output end of the transmission by adopting the starting torque measuring device of the output end of the transmission is as follows: the transmission is put into a tested gear; the display of the digital display torque wrench 1 is reset to zero; the loading rod 2 is operated to enable the straight shaft 201 of the transmission to penetrate through the first U-shaped groove 21, and then the straight shaft 201 is fixed relative to the loading rod 2 through the clamping piece 3; the digital display torque wrench 1 slowly applies force, and the displayed torsion value when the digital display torque wrench 1 starts to rotate is the starting torque of the output end of the transmission.
In this embodiment, the depth direction of the first U-shaped groove 21 is the axial direction of the loading rod 2, and the loading rod 2 is provided with an external thread, as shown in fig. 4 and 5, the clamping member 3 includes a screwing portion 31 and a centering matching portion 32 arranged along the axial direction thereof, wherein the screwing portion 31 is provided with a central through hole, and the central through hole is provided as a threaded hole matched with the external thread. The provision of the screw portion 31 facilitates the operator to screw the clamping member 3. In the present embodiment, the screw part 31 is a hexagonal prism, and the screw part 31 and the centering fitting part 32 are integrally formed.
Further, as shown in fig. 1 to 4 and 6, the starting torque measuring device of the transmission output end further includes positioning members 4 corresponding to the clamping members 3 one by one, the positioning members 4 are sleeved on the loading rod 2 and can move along the axial direction of the loading rod 2, and the positioning members 4 abut against the corresponding clamping members 3. The outer peripheral wall of the positioning piece 4 is formed with a conical surface, and the small-diameter end of the positioning piece 4 can be inserted into a straight shaft hole on the transmission to enable the conical surface to abut against the inner wall of the straight shaft hole. The locating piece 4 is limited by the matching of the conical surface and the linear shaft hole, and the coaxiality of the linear shaft hole and the loading rod 2 can be ensured.
The transmission output end starting torque measuring device 100 is simple in structure, the measuring process is simplified, and the universality is improved because the straight shaft hole is a hole on the transmission which adopts the straight shaft in the prior art.
Furthermore, one end of the positioning member 4 is provided with at least two elastic claws 41 distributed along the circumferential direction thereof, and in a natural state, the at least two elastic claws 41 surround a centering hole coaxial with the central through hole, the outer circumferential wall of the centering matching part 32 is tapered, and a small-diameter end of the centering matching part 32 can be inserted into the centering hole. In the process of gradually inserting the small-diameter end of the centering matching part 32 into the centering hole, the peripheral wall of the centering matching part 32 acts on the elastic clamping jaw 41 to enable the elastic clamping jaw 41 to elastically deform along the radial direction, so that the elastic clamping jaw 41 is abutted to the inner wall of the straight shaft hole, the centering effect between the loading rod 2 and the straight shaft hole is further ensured, and the accuracy of measured data is improved.
In this embodiment, one end of the positioning element 4 is provided with a second U-shaped groove 44, the depth direction of the second U-shaped groove 44 is the same as the axial direction of the positioning element 4, two elastic claws 41 are formed by forming the second U-shaped groove 44, and the inner wall of the open end of the second U-shaped groove 44 is provided with a deformation groove 42. In the present embodiment, the inner wall of each elastic claw 41 is provided with the above-described deformation groove 42, and the wall thickness of the second U-shaped groove 44 is reduced by the deformation groove 42, so that the elasticity of each elastic claw 41 is increased.
In this embodiment, each elastic claw 41 is provided with a lightening hole 43 to lighten the whole transmission output end starting torque measuring device 100.
Referring to fig. 1 to 3 again, the above-mentioned transmission output end starting torque measuring device 100 further includes a connecting member 5, one end of the connecting member 5 is connected to the digital torque wrench 1, and the other end is connected to the loading rod 2. Specifically, digital display torque wrench 1 acquires for purchasing, is equipped with the jack on the digital display torque wrench 1, and the one end and the 2 threaded connection of loading rod of connecting piece 5, the other end are equipped with grafting portion, through grafting portion and jack cooperation to connect connecting piece 5 in digital display torque wrench 1.
As shown in fig. 1 and 7, the above-described transmission output side starting torque measuring apparatus 100 is installed before measuring the starting torque at the transmission output side as follows:
sequentially installing a clamping piece 3 and a positioning piece 4 close to the digital display torque wrench 1 on the loading rod 2, then penetrating the loading rod 2 through the linear shaft hole and inserting the linear shaft 201 into the first U-shaped groove 21, and then sequentially installing the positioning piece 4 and the clamping piece 3 on the loading rod 2; the small-diameter end of the positioning piece 4 close to the digital display torque wrench 1 is inserted into the linear shaft hole from one end of the linear shaft hole through the clamping piece 3 close to the digital display torque wrench 1 and abuts against the inner wall of the linear shaft hole; and then the clamping piece 3 far away from the digital display torque wrench 1 enables the positioning piece 4 adjacent to the digital display torque wrench to be inserted into the linear shaft hole from the other end of the linear shaft hole and abut against the inner wall of the linear shaft hole, so that the installation of the transmission output end starting torque measuring device 100 is completed.
In this embodiment, most of the manual transmissions, DCT transmissions, AT transmissions, electric vehicle reducers, and drive axles for riding that use a single shaft can use the above-described transmission output-side starting torque measuring apparatus 100 to measure the starting torque AT the transmission output side.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a derailleur output starting torque measuring device, includes digital display moment spanner (1), its characterized in that still includes:
one end of the loading rod (2) is connected with the digital display torque wrench (1), the other end of the loading rod is provided with a first U-shaped groove (21), and one end of a straight shaft (201) of the transmission penetrates through the first U-shaped groove (21) along the length direction of the first U-shaped groove (21);
the clamping piece (3) is detachably connected to the loading rod (2), and the straight shaft (201) can be clamped between two opposite side walls of the first U-shaped groove (21).
2. The transmission output end starting torque measuring device according to claim 1, further comprising positioning members (4) corresponding to the clamping members (3) one by one, wherein the positioning members (4) are sleeved outside the loading rod (2) and can move axially along the loading rod (2);
the outer peripheral wall of setting element (4) is formed with the conical surface, the one end butt of clamping piece (3) in setting element (4), make the path end of setting element (4) can insert the word shaft hole of derailleur, and make conical surface butt in the inner wall in word shaft hole.
3. The transmission output starting torque measuring device according to claim 2, characterized in that one end of the clamping member (3) is provided with a centering fitting part (32) with a conical outer peripheral wall, and one end of the positioning member (4) is provided with at least two elastic claws (41) distributed along the circumference thereof and capable of enclosing a centering hole;
one end of the centering matching part (32) is inserted into the centering hole and can enable the elastic clamping jaw (41) to elastically deform along the radial direction, so that the elastic clamping jaw (41) is abutted to the inner wall of the straight shaft hole.
4. Transmission output-starting torque measuring device according to claim 3, characterized in that the inner wall of the free end of the resilient catch (41) is provided with a deformation groove (42).
5. Transmission output starting torque measuring device according to claim 4, characterised in that the resilient dogs (41) are provided with lightening holes (43).
6. Transmission output starting torque measuring device according to claim 2, characterised in that the clamping element (3) is arranged around the loading lever (2) and is screwed to the loading lever (2).
7. Transmission output starting torque measuring device according to claim 6, characterised in that there are two clamping members (3) and that the inline shaft (201) is located between the two clamping members (3).
8. Transmission output-starting torque measuring device according to claim 6, characterised in that the clamping part (3) is provided with a screw (31) at its end facing away from the securing element (4).
9. Transmission output starting torque measuring device according to any of the claims 1 to 8, characterized by a connecting piece (5), one end of the connecting piece (5) being connected to the digital torque wrench (1) and the other end being connected to the load lever (2).
10. Transmission output starting torque measuring device according to claim 9, characterised in that the connecting piece (5) is plugged into a socket on the digital torque wrench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410593.XU CN211178808U (en) | 2019-12-28 | 2019-12-28 | Transmission output end starting torque measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922410593.XU CN211178808U (en) | 2019-12-28 | 2019-12-28 | Transmission output end starting torque measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211178808U true CN211178808U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922410593.XU Active CN211178808U (en) | 2019-12-28 | 2019-12-28 | Transmission output end starting torque measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211178808U (en) |
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2019
- 2019-12-28 CN CN201922410593.XU patent/CN211178808U/en active Active
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